So heavy is his that he is as busy as a bee unable to spare(抽出) even a day for his famil

问题补充：

So heavy is his that he is as busy as a bee, unable to spare(抽出) even a day for his family in a month.

A. block

B. source

C. schedule

D. attitude

答案：

A. block

B. source

(答案→)C. schedule

D. attitude

解析：名词辨析。A街区，大厦；障碍物；B来源；本源；C时间表；D态度；句意：他的时间安排是如此的紧张以至于他忙得像蜜蜂，一个月里抽不出一天的时间来陪家人。故C正确。